  div.c1 {width:600px;height:300px}
  #loading {background-color:green;color:white;display:none;position:absolute;top:0px;right:0px}
  div.c4 {float:left;margin-left:20px;margin-top:50px}
  p.c3 {margin-left:10px}
  div.c2 {width:166px;height:100px}
  div.c1 {width:500px;height:300px;float:left}
  .clear {clear:left}

